Binding post



C. L. KNUTSON BINDING POST July 25, 1933.

Filed No v. 28, 1930 6 v I y Q. U mic: a r

' rates-real 25",1933} i v r i i i i i post attached to a sheet of niaterial forsu p porting the same";

o fiFigg, 2 but, showing lthe normal relation v by-them.;. 1.

'1 My-invention this to provide? improvev r I me11t in'El indingv pests l so that the. notches 7 and 8 may b'ejbrought' In the drawing Whil 21isa sectiOntakenonthe was:

" RL Ll Knu'rsorir, ofr-1vr Atrwoon, -.Insurers,- Assienon iro omen MANUFACTURING;

I conronnrrqirfiou oi -m eiso,finit ivois;rl rootaronerizolv orinmixrors' M l-illustrates a preferred embodiment nvention Figure l 1s an elevation view of a lolndingof Figure .1 showing a x vire: engaged "with thebinding post"; 1- 1 Fig, 3 i" a seetion taken-on the linel3.f3 of Fig.2;e dj .Fig'. 4 is -a.-section .takenl'on-the line4:l

of. the

parts before sw m isheld in position b. RQfQIring, to i the ceriibodiinentof I in ventionv illustrated the F drawing, Lhave shown a binding postgfor, making an 'electi-ieal connection. Thev particular, binding post illustrated has, a cehtralijpostpart l pressed from sheet, metaland being hollow,

as shown in Fig. 2., The central postpartf 1 hasfa base lf ole nched over the head'2U-of an {attaching screw '3' iand Zthe screw; passes through a supporting part tfandYrec'eives a: nut Y Lvvhereby the "post ;is i.fixed relative part whichffits, oven thegpost part1 and is. adapted to sliderelative theretogjInlthe .sleevet part 6 I have out anotch, 'Z -atUone side Which is adapted to fcooperate lvvith a l Thus,vthe upper end of the sleeve 6 is pressed 'byythe spring 12 against thefiange IO whenjp pt fix o a s pp ng notch 8 formed in theside'of thepostpalit .1 to receive a Wire 9, asshown in Fig. 2;

The sleeve part bis secured inassembl'ed re' .lation With the post part 1 by meansjoi a.

flange 10 :(Fig; 2) flaring outwardly from the reduced end portion 110i thepa'rtl over the upper end of the sleeve 6.- Aicoil spring 1.2 isvinterposed betweenbthe base 1, of the post part 1' and an annularshoulder 13 formed by the enlargementl l of the sleeve 6.

no ire is gripped by the binding post. In

that case, the notches/7 and 8am out 10f" illustrated is used, it is *de sirablefto prevent v l, as best shown in Fig.2.

Aprlicaub fi anoyeinb er as; 1930. serial nemesis e rotation of, the sleeve 6 relative tothe pos t into alignment by merely pressing upon the sleeve 1 6'." Therefore, I have provided a tongue and groove Ineansto accomplish the desired results. In thedrawing thefl groove is in thereducedportion 11 (Figs. 2 and 3) and thetongue-lZ, provided'by bending .a portion of the sleeve part 6into5the The 'Slbt 6 ourse; lon enough to p rmit the desired sliding mo ment of the le v p 6. 7

part 1 (Fig.2),thereby. concealing-the ends] of said parts and also-the tongue andg' roove means. j'lhegb ore 19 in the, knob 18 is long enough so that the knob may slide, vvith the sleeve 6 relative'tothepost l whennioving we" the sleeveto attaoh or detach a Wire.)

f "My-improved binding post' is strong, du; rable, easy to nianufacture and assemble "and 'issirnple and inexpensive in construction.-

My device [is simple and .ipositive in oper;

' ation and it'ni's only necessary-to press'doivn-g Wai'dlyfu'pon the -l rnob. 18 ,tO,.mQv the sleeve. 6. in an jaxial linerelative togthef post part lflth'ereby bringing the .slot 7 opposite the slot 8- so: that a wire may The inserted; into the ,T slots. or, removed thereironi. Upon re lease of pressure upon the knob 18; the; spring 12 presses upwardly upon the sleeve ,6 andthe ire, if in place, will be gripped tightly between-the sleeve 6 andthe post I While'I have illustrated and described a preferredembodiment of my invention I d0. v

not Wish to: be limited. thereby, because the scope of my invention isbest defined by the following claims. P

ljclainif, e 1. Af'bindingpost having a central vpost structure, an outersleeve part slidable upon saidlcentr al post part,:each of said parts having means adapted to-registervvith'each i other upon movement off the outer sleeve a to. receive a I Wire; a spring nterposed 9.

end of said central post partextending oven the upper end of said sleeve part tof lhold J sa1d=parts andspring 1n assembled relain ones-direction and means" providing! a tongue and groove connection between said hetweensaid parts and a flange on the upper end of said central. post part extending over the upper end offsaid sleevepart to hold said parts and spring in assembled rela tion.-f

said central post part, each of saidparts having means adapted 'to regis'teifwith each u other npon movement of the'outeiimsleeve part to receive a wire, means provided partly by each of saidparts and c0operat ing' to prevent relative'rotation ofthe arts;

a spring interposed b-etweehsaid parts and a fiange'on the upper'ena 'ofsaid central post part extending over the upper end of said sleeve part tohold said parts and spring in assembled rela i -f.

, S. Aibinding fpost havlng a post structure, an" outer sleevejpart slid'ab e [upon said central post part, each of "said parts having meansadapted to register vWith each other upon movement of the outer sleeve part to receive a'Wire, a spring interposed between said parts, a flange on the upper tion and aknob'carried. hysaidouter sleei e partiat its upper end to conceal the ends of the saidv partsandjprov de aflpressnrereceiving member throughiwhieh the sleeve" oart 'mav be 'lnove'd ifelatiVtD the central part agalnst the pressureofthe spring; V

to said central post' part, notches provided by; said parts for receiving andfiholding a, wire, a springinterposed between said parts,i a flange on one 0t 881d parts cooperat ng;

With the other part tollimit the movement of the sleeve part relative-to" the post, part 'partsto, prevent, relative rotation thereby insuring alignment of the said notches.

5. A binding post-having a post part provi dedijwith whereby it may be attached to a support, a sleeve part 6 slidable relative to saidpost part 1, a spring 12interposed between said parts to move the sleeve in' one direction, a flange 10 on the postpart holding the parts 1 and 6 and spring 12 together and means 7 and 8 provided the parts 1 and 6 to permit a wireeto begr'ipped bysaid parts. 7 V t GQA inding p ostl having' a hollow post [part I, said post part l'having a base 1, an

attaching screw/3 secured to *said base, a notch 8 in said part 1, a reduced end portion with the'postfpart "1 bv' the flange 10, a

, V l p interposed between the based and part adaptedfto be fixed to a supporting shoulder 13on the part. a tongue 17 attached to said sleeve part 6 and concealgroovei ldand tongue 17;

A binding post having a sheet metal hollow part adapted'to be secured to supporting structure, a second holloiv sheet ,metal part assembled. with the first men tioned part in a? slidfahle. relation thereto, n iezansf provided by. said sheet metal parts for receiving and holding axwire, spring interposed between: sa d parts and-normally moving oneofthe parts in apredetermined 'l. Ahinding posthaving ,a sh'feetj inetal hollow] central postfpart, an outerTsheet, metal. sleevefpart adapted to' slidefrelative- 11 ntionfrelative. to the other part, an annularfifiange extending from one of said sheet metal parts transverse to the axis thereof ad acentto one end, means on the other part forv cooperative engagement with said I annular fia ngeto liniitth-e relative movement of ingfstructure and a "shank extending there- .froniior passageythrough the supporting structure. i a I CARL L. 'KNUTSON.

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